Update README.md

Author: LukeTangPL

README.md

@@ -1,2 +1,19 @@
-Alamofire-SwiftyJSON
-===================
+#Alamofire-SwiftyJSON
+
+Easy way to use both [Alamofire](https://github.com/Alamofire/Alamofire) and [SwiftyJSON](https://github.com/SwiftyJSON/SwiftyJSON)
+
+## Requirements
+
+- iOS 7.0+ / Mac OS X 10.9+
+- Xcode 6.0
+
+## Usage
+
+```swift
+Alamofire.request(.GET, "http://httpbin.org/get", parameters: ["foo": "bar"])
+         .responseSwiftyJSON { (request, response, json, error) in
+                     println(json)
+                     println(error)
+                   }
+
+```